Home / 220,206.74-330,305.29-70,446.58

Finding the Fourth Proportional to 220,206.74, 330,305.29 and 70,446.58

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Solution

The fourth proportional to 220,206.74, 330,305.29 and 70,446.58 is: 105,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,206.74 : 330,305.29 = 70,446.58 : x
  2. Step 2: Convert to fraction form
    220,206.74/330,305.29 = 70,446.58/x
  3. Step 3: Cross multiply
    220,206.74x = 330,305.29 × 70,446.58
  4. Step 4: Simplify right side
    220,206.74x = 23,268,877,034.53
  5. Step 5: Solve for x
    x = 23,268,877,034.53/220,206.74
  6. Step 6: Final answer
    x = 105,668.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.